SP495 Datasheet, PDF (3/6 Pages) Sipex Corporation – Quad Differential RS-485 Transceiver

SPECIFICATIONS (continued)
T_MIN to T_MAX and V_CC = 5V ± 5% unless otherwise noted.
PARAMETERS
MIN.
RECEIVER
DC Characteristics
TYP.
Output Voltage LOW
Three State (high impedance)
Output Current
±0.5
Input Resistance
12
15
Input Current (A, B); V_IN = 12V
Input Current (A, B); V_IN = -7V
Short-Circuit Current
RECEIVER
AC Characteristics
Maximum Data Rate
Receiver Input to Output
10
60
Receiver Input to Output
60
Diff. Receiver Skew It_PLH-t_PHLI
13
Receiver Enable to Output LOW
45
Receiver Enable to Output HIGH
45
Receiver Disable from LOW
45
Receiver Disable from HIGH
45
POWER REQUIREMENTS
Supply Voltage
+4.75
Supply Current
2
ENVIRONMENTAL AND
MECHANICAL
Operating Temperature
Commercial (_C_)
0
Industrial (_E_)
-40
Storage Temperature
-65
Package
Plastic LCC (_L)
MAX. UNITS CONDITIONS
0.4 Volts
10 µA
kΩ
±1.0 mA
-0.8 mA
85 mA
I_O = +4mA, V_ID = -200mV
0.4V ≤ V_O ≤ 2.4V; DEx/ REx = 5V
-7V ≤ V_CM ≤ 12V
DE = 0V, V_CC = 0V or 5.25V, V_IN = 12V
DE = 0V, V_CC = 0V or 5.25V, V_IN = -7V
0V ≤ V_O ≤ V_CC
Mbps
200 ns
200 ns
ns
70 ns
70 ns
70 ns
70 ns
+5.25 Volts
5 mA
DEx/ REx = 0V
t_PLH; R_DIFF = 54Ω,
C_L1 = C_L2 = 100pF; Figures 3 & 8
tC_PLH1L;=RC_DLIF2F==10504pΩ_{F,; Figures 3 & 8}
R_DIFF = 54Ω; C_L1 = C_L2 = 100pF;
Figures 3 & 8
C_RL = 15pF; Figures 2 and 9; S₁ closed
C_RL = 15pF; Figures 2 and 9; S₂ closed
C_RL = 15pF; Figures 2 and 9; S₁ closed
C_RL = 15pF; Figures 2 and 9; S₂ closed
DEx/ REx, DRx = 0V or V_CC
+70 °C
+85 °C
+150 °C
A
R
V_OD
B
R ^VOC
Figure 1. Driver DC Test Load Circuit
3V
DE
CL1
DI
A
R_DIFF
A
B
B
C_L2
RO
15pF
Receiver
Output
Test Point
1k
S₁
C_RL
1k
S₂
V_CC
Figure 2. Receiver Timing Test Load Circuit
Output
500
Under
Test _CL
S₁
V_CC
S₂
Figure 3. Driver/Receiver Timing Test Circuit
Figure 4. Driver Timing Test Load #2 Circuit
SP495
Quad Differential RS-485 Transceiver
3
© Copyright 2000 Sipex Corporation